1. Chemistry Department, Faculty of Science, Alexandria University, P. O. Box 426, Alexandria, 21321, Egypt
2. Medical Biotechnology Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Egypt
3. Chemistry Department, Michigan State University, East Lansing, MI 48824, USA
4. Department of Chemistry, Benha University, Benha, Egypt
5. Department of Chemistry, College of Science, King Saud University, P. O. Box 2455, Riyadh 11451, Saudi Arabia
6. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Alexandria University, Alexandria, 21521, Egypt
7. Department of Pharmaceutical Medicinal Chemistry, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, 11754, Egypt